Request a Quote for Plastic Injection Molding in Newark, NJ
Comprehensive Manufacturing Solutions Tailored for Newark, NJ Industries
Manufacturers in Newark, NJ trust Ronningen Research and Development for fully integrated manufacturing solutions extending beyond plastic injection molding. Our capabilities include precision tooling fabrication, CNC machining, milling, and finishing processes like ultrasonic welding, heat staking, and custom packaging. These comprehensive services help Newark companies ensure quality control and maximize production efficiency.
Our assembly and sub-assembly teams expertly transform raw materials into finished, market-ready products with accuracy and dependability. Additional offerings such as custom coloration, drilling, pad printing, and detailed labeling are customized to meet project-specific requirements. Ronningen’s integrated manufacturing approach enables Newark industries to scale operations and innovate confidently.
Trusted Engineering Support and Quality Assurance for Newark, NJ Manufacturers
Ronningen Research and Development provides engineering excellence to optimize product designs for manufacturability, performance, and cost-efficiency. Our operations comply with ISO 9001:2015 and apply Six Sigma methodologies, ensuring consistent precision and reliability. We collaborate closely with Newark manufacturers to meet rigorous specifications and regulatory requirements.
Our finishing services include leak testing, custom coloration, part marking, pad printing, and packaging, all performed under strict quality control. This comprehensive manufacturing approach ensures Newark clients receive products that combine durability and aesthetic appeal. Ronningen remains a trusted manufacturing partner supporting the region’s industries.
Why Newark, NJ Manufacturers Choose Ronningen Research and Development
Ronningen Research and Development is the manufacturing partner of choice for Newark, NJ businesses requiring a broad range of specialized services. We provide expert plastic injection molding, precision tooling, CNC machining, milling, and comprehensive assembly and sub-assembly operations. Our value-added offerings include custom coloration, custom cutting parts, drilling, electroplating, heat staking, hot stamping, insert molding, and detailed labeling to ensure outstanding product quality.
Our finishing capabilities include leak testing, part marking, pad printing, silk-screening, shielding, ultrasonic welding, painting, spin welding, structural foam molding, taping, trimming, and custom packaging. Centralizing these services reduces lead times, lowers costs, and guarantees consistent excellence. Ronningen supports Newark manufacturers with innovative, cost-effective solutions for growth.
Local Expertise with National Quality Standards Serving Newark, NJ
Our Active Certifications


Our ISO 9001 certified quality management system is registered and certified by NSF International Strategic Registrations and based on a number of quality management principles including:
- A strong customer focus
- Support of top management
- Adherence to a process approach
- Continual improvement
Under the scope of our registration are the following services:
- Prototype plastic injection tooling for molded parts
- Engineering evaluation samples
- Pilot and production plastic components
Our accreditation from NSF provides assurance to our customers that our certified components and products comply with the technical requirements of ISO 9001.
QMMY2.E116158 Fabricated Parts – Component
Underwriters Laboratories is an independent product safety testing and certification organization working for public safety since 1894. Since its founding, U/L has held the reputation as the undisputed leader in product safety and certification, giving consumers peace of mind about the products they use.
Our Comprehensive Manufacturing Services: Plastic Injection Molding & More
Assembly & Sub-Assembly
At Ronningen Research and Development, we provide expert Assembly & Sub-Assembly services for seamless integration of components. Whether it's simple assemblies or complex multi-part solutions, we ensure precision and efficiency in every process.
Custom Coloration
Our Custom Coloration services offer tailored color options to meet your design and branding needs. We use advanced Plastic Injection Molding techniques to ensure long-lasting, consistent colors for your products.
Custom Cutting Parts
Ronningen Research and Development specializes in Custom Cutting Parts using state-of-the-art machinery. We provide accurate cuts for a variety of materials, meeting the specific needs of your project.
Drilling
We offer high-precision Drilling services to create exact holes in various materials. Our advanced equipment ensures accuracy and quality for projects requiring tight tolerances and consistent results.
Electroplating
Our Electroplating services enhance part durability and corrosion resistance with high-quality metallic coatings. We provide superior finishes for applications in automotive, electronics, and more.
Heat Staking
Heat Staking at Ronningen Research and Development creates strong, reliable bonds between plastic components without the need for additional materials. This process is ideal for parts requiring secure assembly and durability.
Hot Stamping
Hot Stamping services provide a high-quality finish with precision and efficiency. We use advanced techniques to apply logos, designs, and text to parts, ensuring a clean and lasting imprint.
Insert Molding
Insert Molding allows us to mold plastic around metal or other materials to create strong, integrated components. This service provides enhanced functionality and durability for complex applications.
Labeling
We provide precise Labeling services that ensure clear, durable markings for traceability, branding, and compliance. Our labeling process guarantees that your parts are correctly identified and meet industry standards.
Leak Testing
Our Leak Testing services verify the integrity of your products, ensuring they meet safety standards. We provide airtight and watertight testing to prevent failures and guarantee quality.
Machining
We offer high-precision Machining services for custom parts. Using advanced CNC equipment, we deliver consistent, high-performance components for a variety of industries.
Milling
Our Milling services create intricate parts with high accuracy. We use advanced equipment to ensure precise cuts and finishes for your custom projects.
Over Molding
Over Molding at Ronningen Research and Development creates multi-material components for enhanced durability and functionality. We mold plastic over existing parts to meet complex design requirements.
Packaging, Custom
Our Custom Packaging services protect your products during transportation and storage. We offer tailored solutions to ensure your parts arrive safely and in excellent condition.
Pad Printing
We provide Pad Printing services for high-quality markings on various materials. Ideal for branding, labeling, and customization, our process ensures precise, durable prints.
Over Molding
Over Molding at Ronningen Research and Development creates multi-material components for enhanced durability and functionality. We mold plastic over existing parts to meet complex design requirements.
Packaging, Custom
Our Custom Packaging services protect your products during transportation and storage. We offer tailored solutions to ensure your parts arrive safely and in excellent condition.
Pad Printing
We provide Pad Printing services for high-quality markings on various materials. Ideal for branding, labeling, and customization, our process ensures precise, durable prints.
Part Marking
Our Part Marking services at Ronningen Research and Development ensure clear and accurate markings for identification and traceability. We use advanced techniques to apply markings that meet industry standards.
Painting
At Ronningen Research and Development, our Painting services enhance the aesthetic and protective qualities of your parts. We apply durable coatings for both functional and cosmetic purposes.
Silk-screening
We offer Silk-screening services at Ronningen Research and Development for durable, high-quality prints on parts. This process is ideal for logos, designs, and labels, providing precise results for a variety of materials.
Shielding
Our Shielding services at Ronningen Research and Development protect components from electromagnetic interference. We use advanced materials and techniques to ensure reliable performance and compliance with industry standards.
Shipping
At Ronningen Research and Development, we handle Shipping with care, ensuring that your products are securely packaged and delivered on time. Our reliable shipping services help you get your products to the market quickly and safely.
Spin Welding
Spin Welding services at Ronningen Research and Development provide strong, durable bonds for plastic parts. This technique is ideal for creating seamless joints without the need for additional materials.
Structural Foam Molding
We offer Structural Foam Molding at Ronningen Research and Development for lightweight, durable plastic parts. This service provides strong components with a reduced weight, ideal for applications that require high strength without the added bulk.
Taping
Our Taping services at Ronningen Research and Development are designed to provide secure adhesion and protection for your products. We offer custom taping solutions to meet the needs of various industries.
Trimming
At Ronningen Research and Development, we provide Trimming services to finish and refine your parts. Our precise trimming process ensures clean edges and perfect finishes for your molded components.
Ultrasonic Welding
Ultrasonic Welding at Ronningen Research and Development uses high-frequency sound waves to create strong, precise bonds between plastic parts. Ideal for delicate applications, this process ensures high-quality, durable results without the need for adhesives.
Ronningen Research and Development’s Manufacturing FAQs for Newark, NJ Businesses
What manufacturing services does Ronningen provide in Newark, NJ?
Can Ronningen handle complex tooling and prototype manufacturing?
Yes, Ronningen specializes in designing and fabricating precision molds made from aluminum and steel customized to client requirements. Our rapid prototyping services enable Newark manufacturers to validate designs quickly, minimizing development time. We collaborate closely with clients to optimize tooling manufacturability and production workflows, ensuring prototypes meet stringent quality standards and are ready for full-scale manufacturing.
How does Ronningen ensure quality throughout production?
Quality is central at Ronningen Research and Development. We hold ISO 9001:2015 certification and rigorously apply Six Sigma principles throughout production. Skilled technicians conduct continuous inspections using advanced testing techniques such as leak detection and non-contact vision inspection. This thorough quality management guarantees Newark manufacturers receive flawless, ready-to-use products that exceed industry standards.
Which industries does Ronningen serve in Newark, NJ?
Ronningen supports a wide range of industries in Newark, including aerospace, medical devices, telecommunications, electronics, and automotive manufacturing. Our processes comply with strict regulatory and quality standards. We tailor manufacturing solutions to meet each industry’s unique needs, delivering components that offer safety, reliability, and excellent performance.
